Hertz Donut

The Harvestman Hertz Dounut is a dual oscillator with built-in modulation bus. Voltage-controlled waveform discontinuity, internal pitch tracking with several lag settings. Dedicated square wave outputs, and a multi-purpose gate/XOR ringmod output.



Photo courtesy of Shawn Cleary at Analogue Haven

Specifications
Primary oscillator:

16Hz-16kHz frequency range Waveform output (switchable between saw, tri and sine, 12-bit resolution) Waveform discontinuity modulation/PWM Variable square wave output Hard digital synchronization input External FM input switchable between expo and linear thru-zero

Modulation oscillator:

Sine, tri or saw waveform Independent square wave output Selectable modulation frequency range (normal [same as primary osc] and s l o w) Hard digital synchronization input External FM input switchable between expo and linear thru-zero Oscillator output internally patchable to main oscillator frequency (linear, thru-zero), amplitude, or discontinuity Internal modulation index voltage-controllable Variable-lag pitch tracking of primary oscillator General-purpose gate output for monitoring internal tracking status...

Compatible with Livewire X-Mod Controller expansion.

+/-12V Doepfer-style power connector Panel size: 17HP Current draw: 120mA